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DTSTART:20210314T070000
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DTSTART;TZID=America/Toronto:20210723T153000
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URL:https://uwaterloo.ca/combinatorics-and-optimization/events/tutte-colloq
 uium-jon-yard-2
SUMMARY:Tutte Colloquium - Jon Yard
CLASS:PUBLIC
DESCRIPTION:TITLE: Algebraic formulations of Zauner's conjecture\n\nSpeake
 r:\n Jon Yard\n\nAffiliation:\n University of Waterloo\n\nZoom:\n Please e
 mail Emma Watson\n\nABSTRACT:\n\nTight complex projective 2-designs are si
 multaneously maximal sets of\nequiangular lines and minimal complex projec
 tive 2-designs. In quantum\ninformation theory\, they define optimal measu
 rements known as\nSIC-POVMs (Symmetric Informationally Complete Positive O
 perator-Valued\nMeasures).  They are conjectured by Zauner to exist in ev
 ery\ndimension\, even as specific group orbits.  Yet\, they have only so 
 far\nbeen proven to exist in a finite-but-growing list of dimensions via\n
 exact\, explicit constructions over increasingly high-degree number\nfield
 s\, since identified as specific class fields of real quadratic\nnumber fi
 elds.
DTSTAMP:20260403T072202Z
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